Thrive Alive Green B-1 Organic is a power packed preventative and restorative general purpose plant tonic. Stimulates rapid and lush vegetative growth, and will ensure the success of floral crops by promoting profuse flowering during blossoming. Thrive alive is safe and easy to use for both hydroponic and soil applications, facilitating vigorous and healthy root development for both cuttings and established root systems, while protecting your plants from transplant related shock. (1 litre)